Which of the following is NOT considered a risk factor for developing breast cancer?

  • early menarche
  • nulliparity
  • early menopause
  • previous history of uterine cancer
Number 3 is correct.
Possible risks for breast cancer include early menarche, nulliparity, and previous history of breast, ovarian, or uterine cancer. Other risk factors include late menopause (not early menopause), family history of breast cancer, and having the first child after age 30.